Finding the Fourth Proportional to 2,790,543.75, 3,850,990.77 and 1,567,114.08
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Solution
The fourth proportional to 2,790,543.75, 3,850,990.77 and 1,567,114.08 is: 2,162,640.12
Step by Step Solution
- Step 1: Write the proportion equation
2,790,543.75 : 3,850,990.77 = 1,567,114.08 : x - Step 2: Convert to fraction form
2,790,543.75/3,850,990.77 = 1,567,114.08/x - Step 3: Cross multiply
2,790,543.75x = 3,850,990.77 × 1,567,114.08 - Step 4: Simplify right side
2,790,543.75x = 6,034,941,857,617.04 - Step 5: Solve for x
x = 6,034,941,857,617.04/2,790,543.75 - Step 6: Final answer
x = 2,162,640.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.